Method and apparatus for encoding and decoding pause...

Details Method and apparatus for encoding and decoding pause... Method and apparatus for encoding and decoding pause...

2005-04-26

2005-04-26

Azad, Abul K. (Department: 2654)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S215000, C370S476000, C370S435000

Reexamination Certificate

active

06885987

ABSTRACT:
At an audio source, pause information is added to audio data, the combination of which is subsequently packetized. The resulting packets are transmitted to an audio destination via a network in which different packets may be subjected to varying levels of delay. At the audio destination, the pause information may be used to insert pauses at appropriate times to accommodate the occurrence of delays in packet delivery. In one embodiment, pauses are inserted based on a hierarchy of pause types. During pauses, audio filler information may be injected. In this manner, the effects of variable network delays upon reconstructed audio may be mitigated.

REFERENCES:
patent: 4630262 (1986-12-01), Callens et al.
patent: 5220565 (1993-06-01), Wilson et al.
patent: 5615214 (1997-03-01), Chandos et al.
patent: 5870394 (1999-02-01), Oprea

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